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Marquise|Natural|IGI

1.00ct K SI2 Marquise Natural Diamond

VG • K/SI2 • IGI 778617524

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 778617524

Diamond specifications and retailer prices

From $887 USD
As of November 6, 2026
Save $2,023 USD (70%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,910 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural marquise diamond

This 1ct natural marquise sits in the classic one-carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 778617524. Listed at 13 retailers as of November 5, 2026, with prices from $887 to $2,910, a $2,023 spread on the same certified stone. NZ Jewellers lists it at $2,910. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
K
Color
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle38°
OriginNatural
Grading LabIGI
CertificateIGI 778617524
Dimensions10.13 × 5.34 × 3.21 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizePointed
Top View
10.13 mm5.34 mm1.00 ctK / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 778617524
Side View
Table 58.0%Crown 34.1°Girdle: MED-THKPavilion 38°Culet: NoneDepth 60.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $887 USD|Low: $887 USD|High: $2,212 USD|Avg: $1,348 USD|-3.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 1$887 USD
Retailer 9$1,143 USD
Retailer 11$1,193 USD
Retailer 8$1,239 USD
Retailer 2$1,241 USD
Retailer 12$1,290 USD
Retailer 10$1,311 USD
Retailer 3$1,327 USD
Retailer 7$1,350 USD
Retailer 4$1,377 USD
Retailer 5$1,539 USD
Retailer 6$2,179 USD

46 data points across 12 retailers

13 retailers$887 USD to $2,910 USD

A
Cheapest Retailer
-
$887 USD
B+
Retailer 2
-
$1,143 USD
View
Retailer 3
-
$1,193 USD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$1,193 USD
View
B+
Retailer 5
-
$1,239 USD
View
B+
Retailer 6
-
$1,241 USD
View
B+
Retailer 7
-
$1,311 USD
View
B+
Retailer 8
-
$1,327 USD
View
B+
Retailer 9
-
$1,350 USD
View
B+
Retailer 10
-
$1,377 USD
View
B+
Retailer 11
-
$1,539 USD
View
B+
Retailer 12
-
$2,179 USD
View
Most Expensive
B
NZ Jewellers
bfb7851c-c2b8-445b-a8fc-a74bbb8d6760 · Nov 5
$2,910 USD
View
12 more retailers have this diamond
Prices start from $887 USDSave up to $2,023 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.00ct Marquise
$887 USD